Oil change reminder for key rings



FIG. 1 is a front view of an oil change reminder for key rings showing afourth embodiment of my new design;

FIG. 2 is a left side elevational view thereof, with the right sidebeing a mirror image;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The ornamental design for an oil change reminder for key rings, as shownand described.